Alex Rudyy created QPID-8222:
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Summary: [JMS AMQP 0-x][AMQP 0-8..0-91] Transaction
commit/rollback or recover can hang when failover is in progress
Key: QPID-8222
URL: https://issues.apache.org/jira/browse/QPID-8222
Project: Qpid
Issue Type: Bug
Components: JMS AMQP 0-x
Affects Versions: qpid-java-client-0-x-6.3.2, qpid-java-client-0-x-6.3.1,
qpid-java-6.1.5, qpid-java-client-0-x-6.3.0, qpid-java-6.1.4, qpid-java-6.0.8,
qpid-java-6.1.3, qpid-java-6.0.7, qpid-java-6.1.2, qpid-java-6.1.1,
qpid-java-6.0.6, qpid-java-6.1, qpid-java-6.0.5, qpid-java-6.0.4,
qpid-java-6.0.3, qpid-java-6.0.2, qpid-java-6.0.1, qpid-java-6.0,
qpid-java-6.1.6
Reporter: Alex Rudyy
Fix For: qpid-java-client-0-x-6.3.3
JMS transaction commit/rollback or recover can hang when connectivity is lost
and failover is triggered to restore the connection. When
commit/rollback/recover are invoked after restoring the connectivity and before
failover finishes resubscribing of existing sessions, the syncing of dispatcher
queue can hang due to race with adding the signal message into the queue from
session operation and cleaning the queue by failover. Here is a dump of hang
commit operation:
{noformat}
"main" #1 prio=5 os_prio=0 tid=0x000000000241c000 nid=0x2e18 waiting on
condition [0x0000000002a9f000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x000000076d9f4c70> (a
java.util.concurrent.CountDownLatch$Sync)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304)
at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:231)
at
org.apache.qpid.client.AMQSession.syncDispatchQueue(AMQSession.java:2343)
at org.apache.qpid.client.AMQSession.rollback(AMQSession.java:1984)
- locked <0x000000076d67e5f8> (a java.lang.Object)
at org.apache.qpid.client.AMQSession.commit(AMQSession.java:922)
at org.apache.qpid.test.Test.main(Test.java:40)
{noformat}
The defect was introduced as part of changes committed against QPID-3521. I do
not see any sensible work around for the issue.
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